gpio: atmel_pio4: add drive strength macros

Macros for drive strength configuration were missing.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>

diff --git a/arch/arm/mach-at91/include/mach/atmel_pio4.h b/arch/arm/mach-at91/include/mach/atmel_pio4.h
index 81e0e9f3322a8376efbb9b4b940ecd3f546c0789..b7d6f5a10297771aa6b7885a87e9adab939caa49 100644 (file)
--- a/arch/arm/mach-at91/include/mach/atmel_pio4.h
+++ b/arch/arm/mach-at91/include/mach/atmel_pio4.h
@@ -47,6 +47,10 @@ struct atmel_pio4_port {
 #define ATMEL_PIO_IFSCEN_MASK          BIT(13)
 #define ATMEL_PIO_OPD_MASK             BIT(14)
 #define ATMEL_PIO_SCHMITT_MASK         BIT(15)
+#define ATMEL_PIO_DRVSTR_MASK          GENMASK(17, 16)
+#define ATMEL_PIO_DRVSTR_LO            (1 << 16)
+#define ATMEL_PIO_DRVSTR_ME            (2 << 16)
+#define ATMEL_PIO_DRVSTR_HI            (3 << 16)
 #define ATMEL_PIO_CFGR_EVTSEL_MASK     GENMASK(26, 24)
 #define ATMEL_PIO_CFGR_EVTSEL_FALLING  (0 << 24)
 #define ATMEL_PIO_CFGR_EVTSEL_RISING   (1 << 24)